Customization: | Available |
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Casting Method: | Special Casting |
Casting Form Material: | Metal |
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Precision casting is a general term for the process of obtaining castings with precise dimensions. Compared with the traditional sand casting process, the castings obtained by precision casting are more precise in size and have better surface finish. It includes: investment casting, ceramic casting, metal casting, pressure casting, and lost foam casting.
Among them, the most commonly used is investment casting, also known as lost wax casting: select suitable investment material (such as paraffin) to make investment mold; repeat the process of applying refractory coating and spreading refractory sand on the investment mold, harden the shell and dry it; then melt the internal investment mold to obtain the cavity; bake the shell to obtain sufficient strength and burn the residual investment material; pour the required metal material; solidify and cool, remove the sand after shelling, so as to obtain a high-precision finished product. According to product needs, heat treatment, cold processing and surface treatment can be carried out.
Carbon steel castings |
ASTM A216-Gr. WCB, Gr. WCA, Gr. WCC; ASTM-415-205, 450-240, 485-275, 80-40; DIN- GS-C25(1.0619), GS-38(1.0416), GS-45(1.0446), GS-52(1.0552), GS-60(1.0558); JIS-SC410, SC450, SC480, SCC5; BS-A1, A2, A5; NF-GE230, GE280, GE320, GE370 |
Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Lost foam cast Shell-core cast Electric-furnace smelting |
Stainless steel castings |
ASTM-CF-8M, CF-8, CA-15, CA-40, 316, 304; DIN-G-X6CrNi18 9(1.4308), G-X7Cr13(1.4001) G-X20Cr14(1.4027), 1.4408; JIS-SCS13, SCS 1, SCS 2, SCS 14A; BS-304C15, 410C21, 420C29, 316, 304; NF-Z6CND18.12M, Z6CN18.10M, Z12C13M, Z20C13M |
Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Electric-furnace smelting |
Alloy steel castings |
DIN-GS-40Mn5(1.1168), GS-20Mn5(1.1120); GS-37MnSi5(1.5122), GS-34CrMo4(1.7220); JIS-SCMn3, SCW480, SCSiMn2, SCCrM3, SCMnCR3; ASTM-LCC UNS-J02505, J13048 NF-G20M6, G35CrMo4 |
Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Electric-furnace smelting |
1. Q: Why choose Shengao product?
A: We shengao have our own plant Weifang Shengao machinery Co., Ltd, therefore, we can